Could someone please explain how to solve this problem cheers.
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Originally Posted by Haris Could someone please explain how to solve this problem cheers. The radius of convergence can be found using the Root test...we must have that And where the series converges we can use the resmblance to the geometric series to obtain that
Last edited by Mathstud28; December 14th 2008 at 11:25 AM.
Now put then and the convergence requires that
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